These personal values begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work. Global Compact & fulfilled Communication of Progress (COP) requirements • New Sustainability Strategy overview page including our 2022 AIP ESG metrics • New ESG Performance page with ESG ratings, awards, and certifications • Increased disclosures on carbon emissions, including disclosure of Climate Change Scenario Analysis • Added new Product Stewardship and Chemical Management policies • Enhanced data reporting for Workforce Demographics • Improved social disclosures on human rights, dependent care and special leave and strategic training management 2021 SUSTAINABILITY REPORT Launching integrated sustainability website in parallel with report Aligned with leading reporting frameworks 6 Released July 2022 ESG RATINGS PERFORMANCE ESG AWARDS AND CERTIFICATIONS ESG PERFORMANCE & AWARDS 84th 3 1 2 7 T RAN S FO R MAT IO NAL OVE RV IE W Avient Protective Materials Dyneema ® RECENT TRANSACTIONS Acquired Divested $1.45 B $0.95 B 9 Distribution UPDATED CAPITAL STRUCTURE & LIQUIDITY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cash $544 Undrawn Revolver $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 10 PREVIOUS TRANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 11 • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion.

GHS is a United Nations regulatory framework intended to more closely harmonize the often different hazard communication requirements in different countries.

Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com http://www.avient.com/ http://www.avient.com/news mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com NEWS RELEASE

PREPERM materials are used in a wide range of industries Whether you operate in the field of automotive or industrial radars, satellite communications or health technology, we have a solution for you.

Their collection communities collect and exchange ocean-bound plastic waste as currency for income and life-improving benefits, including health, work, and life insurance, digital connectivity, grocery vouchers, school supplies, fintech services, and more.

These metrics can involve employment guidelines, community involvement, and diversity and inclusion.  Social issues: generally involve the workplace safety of employees and community engagement. 

 is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles. Vice President, Corporate Communications, PolyOne Corporation

 is committed to its customers, employees, communities and stockholders through ethical, sustainable and fiscally responsible principles.  Vice President, Corporate Communications, PolyOne Corporation

is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com